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torch.Tensor.item
Tensor.item() → number- 
    
Returns the value of this tensor as a standard Python number. This only works for tensors with one element. For other cases, see
tolist().This operation is not differentiable.
Example:
>>> x = torch.tensor([1.0]) >>> x.item() 1.0 
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 https://pytorch.org/docs/2.1/generated/torch.Tensor.item.html